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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { unitTest, assert, assertEquals } from "./test_util.ts";
function assertSameContent(files: Deno.DirEntry[]): void {
let counter = 0;
for (const entry of files) {
if (entry.name === "subdir") {
assert(entry.isDirectory);
counter++;
}
}
assertEquals(counter, 1);
}
unitTest({ perms: { read: true } }, function readDirSyncSuccess(): void {
const files = [...Deno.readDirSync("cli/tests/")];
assertSameContent(files);
});
unitTest({ perms: { read: false } }, function readDirSyncPerm(): void {
let caughtError = false;
try {
Deno.readDirSync("tests/");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.PermissionDenied);
}
assert(caughtError);
});
unitTest({ perms: { read: true } }, function readDirSyncNotDir(): void {
let caughtError = false;
let src;
try {
src = Deno.readDirSync("cli/tests/fixture.json");
} catch (err) {
caughtError = true;
assert(err instanceof Error);
}
assert(caughtError);
assertEquals(src, undefined);
});
unitTest({ perms: { read: true } }, function readDirSyncNotFound(): void {
let caughtError = false;
let src;
try {
src = Deno.readDirSync("bad_dir_name");
} catch (err) {
caughtError = true;
assert(err instanceof Deno.errors.NotFound);
}
assert(caughtError);
assertEquals(src, undefined);
});
unitTest({ perms: { read: true } }, async function readDirSuccess(): Promise<
void
> {
const files = [];
for await (const dirEntry of Deno.readDir("cli/tests/")) {
files.push(dirEntry);
}
assertSameContent(files);
});
unitTest({ perms: { read: false } }, async function readDirPerm(): Promise<
void
> {
let caughtError = false;
try {
await Deno.readDir("tests/")[Symbol.asyncIterator]().next();
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.PermissionDenied);
}
assert(caughtError);
});
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